We divide 73187781 by 515
Our goal is to divide 73187781 by 515.

Let's proceed to step 1:
515 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Append the next digit (3) from the dividend to 7 and continue with: 73 / 515

Advancing to step 2:
515 can be fit into 73 0 times, resulting in a remainder of 73.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 73 to get 73.
Take the next digit (1) from the dividend and append it to 73, then repeat: 731 / 515

Advancing to step 3:
If we divide 731 by 515, we get 1 and a remainder of 216.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 515 from 731, we get 216.
Fetch the next digit (8) from the dividend, attach it to 216 and continue: 2168 / 515

Moving on to step 4:
If we divide 2168 by 515, we get 4 and a remainder of 108.
Use 4 as the next digit of our solution. 
Result so far: 14.0
Subtract 2060 from 2168 to get 108.
Include the next digit (7) from the dividend after 108, then repeat: 1087 / 515

Going ahead to step 5:
If we divide 1087 by 515, we get 2 and a remainder of 57.
Record the quotient 2 as the next digit in the result. 
Result so far: 142.0
If we take 1030 away from 1087, we end up with 57.
Fetch the next digit (7) from the dividend, attach it to 57 and continue: 577 / 515

On to step 6:
The number 515 fits into 577 1 times, leaving a remainder of 62.
Record the quotient 1 as the next digit in the result. 
Result so far: 1421.0
Subtracting 515 from 577 leaves us with 62.
Grab the next digit (8) from the dividend, add it to 62, then carry on: 628 / 515

Going ahead to step 7:
515 can be fit into 628 1 times, resulting in a remainder of 113.
The number 1 becomes the next digit in our result. 
Result so far: 14211.0
Subtracting 515 from 628 leaves us with 113.
Grab the next digit (1) from the dividend, add it to 113, then carry on: 1131 / 515

On to step 8:
515 goes into 1131 2 times with a remainder of 101.
Write down 2 as next digit of the result. 
Result so far: 142112.0
The remainder is 101 after subtracting 1030 from 1131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

Step 9:
If we divide 1010 by 515, we get 1 and a remainder of 495.
Write down 1 as next digit of the result. 
Result so far: 142112.1
Deduct 515 from 1010 and we're left with 495.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4950, and continue the process.

Going ahead to step 10:
515 can be fit into 4950 9 times, resulting in a remainder of 315.
Record the quotient 9 as the next digit in the result. 
Result so far: 142112.19
The remainder is 315 after subtracting 4635 from 4950.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

On to step 11:
3150 divided by 515 is 6 with a remainder of 60.
The number 6 becomes the next digit in our result. 
Result so far: 142112.196
The remainder is 60 after subtracting 3090 from 3150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 12:
600 divided by 515 is 1 with a remainder of 85.
Put 1 as the next digit of the answer. 
Result so far: 142112.1961
If we subtract 515 from 600, we get 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Step 13:
When dividing 850 by 515, we get 1 with a remainder of 335.
Put 1 as the next digit of the answer. 
Result so far: 142112.19611
Deduct 515 from 850 and we're left with 335.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3350, and continue the process.

In conclusion, the division gives 142112.19611 with a balance of 0.000335.